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help / color / mirror / Atom feedFrom: Alexander Korotkov <[email protected]>
To: Kirill Reshke <[email protected]>
Cc: zengman <[email protected]>
Cc: pgsql-hackers <[email protected]>
Subject: Re: Add SPLIT PARTITION/MERGE PARTITIONS commands
Date: Sat, 20 Dec 2025 12:41:39 +0200
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Hi Kirill!
On Sat, Dec 20, 2025 at 10:58 AM Kirill Reshke <[email protected]> wrote:
> I have been looking though git log, noticed this commit, and did small tests.
>
> This is what I found:
>
> ```
> reshke=# create table z(i int) partition by range(i);
> CREATE TABLE
> reshke=# create table z_1 partition of z for values from (0)to(1);
> CREATE TABLE
> reshke=# create table z_2 partition of z for values from (1)to(2);
> CREATE TABLE
> reshke=# alter table only z merge partitions (z_1,z_2) into z_12;
> ALTER TABLE
> reshke=#
>
> ```
>
> IMO "alter table only ... merge partitions" does not make perfect
> sense and should be rejected rather than executed. WDYT?
Could you, please, clarify your point? I didn't quite get it. It
looks like pretty basic example of merging two adjacent partitions.
------
Regards,
Alexander Korotkov
Supabase
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To: [email protected]
Cc: [email protected], [email protected], [email protected], [email protected]
Subject: Re: Add SPLIT PARTITION/MERGE PARTITIONS commands
In-Reply-To: <CAPpHfdudzb96AOCPsyWAJnMdj-QU3xCt52PHzLbz4scbzio7sQ@mail.gmail.com>
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